:root{--ink:#172033;--muted:#667085;--paper:#eef2f8;--panel:#fff;--line:#d8dfeb;--accent:#5b6ff5;--accent-soft:#edf0ff;--danger:#b93838}*{box-sizing:border-box}body{min-height:100vh;margin:0;background:radial-gradient(circle at 8% 0%,rgba(91,111,245,.13),transparent 32rem),var(--paper);color:var(--ink);font-family:'Noto Sans Thai','Segoe UI',sans-serif}.converter-shell{max-width:1180px;margin:auto;padding:22px 22px 70px}header{position:sticky;z-index:20;top:12px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 15px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.88);box-shadow:0 10px 35px rgba(29,41,72,.08);backdrop-filter:blur(18px)}.brand{color:var(--ink);font:700 14px 'DM Mono',monospace;text-decoration:none}.brand span,.eyebrow{color:var(--accent)}nav{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}nav a,nav button,nav select{min-height:34px;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--ink);font:600 11px inherit;text-decoration:none}nav button{cursor:pointer}.primary-link{background:var(--accent)!important;color:#fff!important}.account{max-width:170px;overflow:hidden;color:var(--muted);font-size:11px;text-overflow:ellipsis;white-space:nowrap}.hero{padding:64px 4px 30px}.eyebrow{margin:0;font:600 11px 'DM Mono',monospace;letter-spacing:.14em}.hero h1{margin:8px 0 9px;font-size:clamp(2rem,5vw,4rem);line-height:1.08}.hero>p:not(.eyebrow){max-width:760px;margin:0;color:var(--muted);line-height:1.7}.privacy-note{display:inline-flex;align-items:center;gap:8px;margin-top:17px;padding:8px 11px;border:1px solid #a7dac9;border-radius:99px;background:#ecfaf5;color:#28755d;font-size:11px}.guest-banner{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px;padding:12px 14px;border:1px solid #cbd3fb;border-radius:13px;background:var(--accent-soft);font-size:12px}.guest-banner a{padding:7px 11px;border-radius:8px;background:var(--accent);color:#fff;font-weight:700;text-decoration:none;white-space:nowrap}.converter-panel{padding:18px;border:1px solid var(--line);border-radius:20px;background:var(--panel);box-shadow:0 18px 50px rgba(29,41,72,.09)}.converter-settings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:15px}.converter-settings label{display:flex;min-width:0;flex-direction:column;gap:6px;color:var(--muted);font-size:11px;font-weight:700}.converter-settings select,.converter-settings input[type=range],.color-row{height:42px;margin:0}.converter-settings select{padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink)}.color-row{display:flex;align-items:center;gap:9px;padding:5px 9px;border:1px solid var(--line);border-radius:10px}.color-row input{width:34px;height:28px;padding:0;border:0;background:transparent}.color-row code{color:var(--ink)}.dropzone{display:grid;min-height:190px;place-items:center;align-content:center;gap:7px;border:1.5px dashed #aeb9d4;border-radius:15px;background:#f8f9fd;text-align:center;cursor:pointer}.dropzone.drag{border-color:var(--accent);background:var(--accent-soft)}.dropzone input{position:absolute;width:1px;height:1px;opacity:0}.upload-mark{display:grid;width:42px;height:42px;place-items:center;border-radius:12px;background:var(--accent);color:#fff;font-size:22px}.dropzone small{color:var(--muted)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;color:var(--muted);font-size:12px}.toolbar>div,.card-actions{display:flex;gap:8px;flex-wrap:wrap}.toolbar button,.card-actions button{padding:9px 13px;border:0;border-radius:9px;background:var(--accent);color:#fff;font:600 12px inherit;cursor:pointer}.toolbar .secondary,.card-actions .secondary{border:1px solid var(--line);background:transparent;color:var(--ink)}button:disabled{opacity:.45;cursor:not-allowed}.converter-results{display:grid;gap:13px;margin-top:18px}.converter-card{display:grid;grid-template-columns:160px minmax(0,1fr) auto;align-items:center;gap:16px;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--panel);box-shadow:0 10px 30px rgba(29,41,72,.06)}.converter-card img{width:160px;height:110px;border-radius:11px;background:#0b101a;object-fit:contain}.file-info{min-width:0}.file-info strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-info span{display:block;margin-top:5px;color:var(--muted);font-size:11px}.status{margin-top:8px!important;color:var(--accent)!important;font-weight:700}.card-actions{justify-content:flex-end}.card-actions button.danger{color:var(--danger)}#converter-toast{position:fixed;z-index:100;right:18px;bottom:18px;max-width:min(380px,calc(100vw - 36px));padding:11px 14px;border-radius:10px;background:#172033;color:#fff;box-shadow:0 12px 35px rgba(0,0,0,.2);font-size:12px;opacity:0;transform:translateY(12px);transition:.2s;pointer-events:none}#converter-toast.show{opacity:1;transform:none}html[data-theme=dark]{--ink:#e7ebf5;--muted:#9aa6bb;--paper:#0d121c;--panel:#151c28;--line:#2a3548;--accent-soft:#202a48;color-scheme:dark}html[data-theme=dark] body{background:radial-gradient(circle at 8% 0%,rgba(91,111,245,.15),transparent 32rem),var(--paper)}html[data-theme=dark] header{background:rgba(21,28,40,.9)}html[data-theme=dark] .dropzone{background:#101722}html[data-theme=dark] .privacy-note{border-color:#285f51;background:#122b26;color:#83d7bd}@media(max-width:760px){.converter-shell{padding:12px 12px 55px}header{position:static;align-items:flex-start;flex-direction:column}.hero{padding-top:38px}.converter-settings{grid-template-columns:1fr}.converter-card{grid-template-columns:100px minmax(0,1fr)}.converter-card img{width:100px;height:80px}.converter-card .card-actions{grid-column:1/-1}.toolbar,.guest-banner{align-items:stretch;flex-direction:column}.toolbar>div{display:grid}.toolbar button{width:100%}}